Rollator



FIG. 1 is a front perspective view of a rollator in accordance with our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines are included for the purpose of illustrating the unclaimed portions of the rollator and form no part of the claim. 

CLAIM We claim the ornamental design for a rollator, as shown and described. 